If you really want to challenge yourself physically and mentally, signing up for an Ironman triathlon is the way to go. This mutli-sport competition involves three astounding events: a 2.4-mile swim (77 laps), a 112-mile bike ride, and a 26.2-mile run. Whether you're training for a triathlon or just want to switch up your cardio routine, Sugar user mamasitamalita had a brilliant idea. Complete Read more